666288

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{661}}^1$

素因数の和:682

約数の個数: 60

約数和(自身を含む): 2134288

約数和(自身を除く): 1468000

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 661, 1008, 1322, 1983, 2644, 3966, 4627, 5288, 5949, 7932, 9254, 10576, 11898, 13881, 15864, 18508, 23796, 27762, 31728, 37016, 41643, 47592, 55524, 74032, 83286, 95184, 111048, 166572, 222096, 333144, 666288]

約数ペア:

[(1, 666288), (2, 333144), (3, 222096), (4, 166572), (6, 111048), (7, 95184), (8, 83286), (9, 74032), (12, 55524), (14, 47592), (16, 41643), (18, 37016), (21, 31728), (24, 27762), (28, 23796), (36, 18508), (42, 15864), (48, 13881), (56, 11898), (63, 10576), (72, 9254), (84, 7932), (112, 5949), (126, 5288), (144, 4627), (168, 3966), (252, 2644), (336, 1983), (504, 1322), (661, 1008)]